I've had a burning sensation on my tongue for about 1.5 weeks and I dont know if I should visit my dentist or make a doctor appt. My tongue feels as though I've burned it but I havent. Pictures of Flomax (Tamsulosin Hydrochloride), drug imprint information, side effects for the patient. Flomax Side Effects: An Introduction As with any medicine, there are possible side effects associated with Flomax ® (tamsulosin hydrochloride). However, not everyone who takes this drug will experience side effects. Tamsulosin is a moderately priced drug used to treat enlargement of the prostate gland in men, a condition called benign prostatic hyperplasia, or BPH. Side Effects. Drug information provided by: IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. As with any medication, there are potential tamsulosin side effects, including abnormal ejaculation, a runny or stuffy nose, and dizziness. Most people, however, tolerate the medication well. Detailed drug Information for tamsulosin. Includes common brand names, drug descriptions, warnings, side effects and dosing information. Flomax (tamsulosin hydrochloride) is an alpha-blocker used to treat the symptoms of a prostate gland condition called BPH (benign prostatic hyperplasia). Tooth loss may also be due to dental injuries or accidents that may lead to loose teeth or bone fracture. Many people like to eat foods that contain a lot of sugar, carbohydrate and acid foods. In Summary. Commonly reported side effects of tamsulosin include: dizziness, nasal congestion, paranasal sinus congestion, rhinitis, rhinorrhea, and seasonal allergic rhinitis.